def test_resize_image_raise_exception(self): image_data = get_fixture('image1.png', as_binary=True) ir = ImageResizer(image_data, 'image1.png', '48 px', '48 px') ir.image = PilImageMock( size=(50, 50), on_resize_exception=IOError("Invalid image to resize"), on_save_exception=IOError("Invalid image to save")) with self.assertRaisesRegexp(IOError, "Invalid image to save"): ir.resize_image()
def test_update_filename_to_gif(self): image_data = get_fixture('image2.tif', as_binary=True) ir = ImageResizer(image_data, 'image2.tif', '48 px', '48 px') ir.init_image() ir.resize_image() ir.update_filename() self.assertEqual(ir.filename, 'image2.gif')
def test_resize_image_skip(self): image_data = get_fixture('image1.data', as_binary=True) ir = ImageResizer(image_data, 'image1.png', '48 px', '48 px') ir.init_image() result = ir.resize_image() self.assertFalse(result)
def test_resize_image_success(self): image_data = get_fixture('image1.png', as_binary=True) ir = ImageResizer(image_data, 'image1.png', '48 px', '48 px') ir.init_image() result = ir.resize_image() self.assertTrue(result) self.assertEqual(ir.image.size, (48, 48))
def test_resize_image_keep_original(self): image_data = get_fixture('image1.png', as_binary=True) ir = ImageResizer(image_data, 'image1.png', '100 px', '100 px') ir.init_image() result = ir.resize_image() self.assertFalse(result) self.assertEqual(ir.image.size, (100, 100))
def test_resize_image_not_resized(self): image_data = get_fixture('image1.png', as_binary=True) ir = ImageResizer(image_data, 'image1.png', '48 px', '48 px') ir.init_image() # there may be cases when image is empty ir.image = None result = ir.resize_image() self.assertFalse(result)
def test_resize_image_change_to_gif(self): image_data = get_fixture('image2.tif', as_binary=True) ir = ImageResizer(image_data, 'image2.tif', '50 px', '50 px') ir.init_image() result = ir.resize_image() self.assertTrue(result) self.assertEqual(ir.image_format, 'GIF') image = Image.open(StringIO(image_data)).resize( (50, 50), Image.ANTIALIAS ) self.assertEqual(image, ir.image) self.assertEqual('image2.tif', ir.filename)
def test_resize_image_change_to_gif(self): image_data = get_fixture('image2.tif', as_binary=True) ir = ImageResizer(image_data, 'image2.tif', '50 px', '50 px') ir.init_image() result = ir.resize_image() self.assertTrue(result) self.assertEqual(ir.image_format, 'GIF') image = Image.open(BytesIO(image_data)).resize((50, 50), Image.ANTIALIAS) self.assertEqual('image2.tif', ir.filename) # There are some issues while comparing 'dpi' value of image even thought the values # are the same. So, we just make sure we convert to float so that comparision pass OK. image.info['dpi'] = tuple(map(float, image.info['dpi'])) ir.image.info['dpi'] = tuple(map(float, ir.image.info['dpi'])) self.assertEqual(image, ir.image)